Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1978-02-27
1980-07-01
Rutledge, L. Dewayne
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
75122, 75123B, 75123J, 75134F, 75170, C22C 1900, C22C 3806, C22C 3832
Patent
active
042104432
ABSTRACT:
Glassy alloys containing iron, cobalt and nickel plus molybdenum and/or tungsten, together with low boron content, are disclosed. The glassy alloys of the invention consist essentially of about 5 to 10 atom percent boron, about 5 to 15 atom percent molybdenum and/or tungsten and the balance essentially iron, cobalt and nickel plus incidental impurities. Each of the iron group metals must be present in an amount of at least about 5 atom percent. The glassy alloys evidence hardness values of at least about 1000 Kg/mm.sup.2, ultimate tensile strengths of at least about 350 Kpsi and crystallization temperatures of at least about 445.degree. C.
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patent: 3986867 (1976-10-01), Masumoto et al.
patent: 4030892 (1977-06-01), Mendelsohn et al.
patent: 4052201 (1977-10-01), Polk et al.
patent: 4056411 (1977-11-01), Chen et al.
patent: 4067732 (1978-01-01), Ray
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Allied Chemical Corporation
Buff Ernest D.
Fuchs Gerhard H,.
Roy Upendra
Rutledge L. Dewayne
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